package pl.common;

import java.util.Random;

public class Util {

	public static Random rand = new Random();
	
	public static String randomCaptcha(){
		StringBuffer buff = new StringBuffer();
		
		for (int i = 0; i < 5; i++){
			buff.append((char)('a' + rand.nextInt('z' -'a')));
		}
		
		return buff.toString();
	}
}
